Gravity AHT20 Temperature and Humidity Sensor

The Gravity AHT20 is a highly accurate, cost-effective temperature and humidity sensor from DFRobot. The sensor measures humidity with a tolerance of ±2.0%RH and temperature with a tolerance of ±0.3°C. Digital I2C communication and a broad input voltage range of 2-5V enables integration into many different applications.  

Features:  

• Digital I2C temperature and humidity sensor 
• Temperature tolerance of ±0.3°C 
• Humidity tolerance of ±2.0%RH

Documentation:  

• DFRobot Wiki

Technical Details: 

• Manufacturer: DFRobot 
  
• Manufacturer SKU: SEN0528 
  
• Input voltage: 2-5V DC 
  
• I2C Address: 0x38 
  
• Humidity:  
  
• Resolution: 0.024 %RH 
  
• Tolerance: ±2 %RH 
  
• Repeatability: ±0.1 %RH 
  
• Response time: 8S 
  
• Measuring range: 0-100 %RH 
  
• Long-term drift: ＜0.5 %RH/year  
  
• Temperature:  
  
• Resolution: 0.01℃ 
  
• Tolerance: ±0.3℃ 
  
• Repeatability: ±0.1℃ 
  
• Response time: minimum 5S, maximum 30S 
  
• Measuring range: -40℃-85℃ 
  
• Long-term drift: ＜0.04℃/year 
  
• Dimensions: 30 x 20.5 x 7mm 
  
• Weight: 12g 

Package Includes:  

• 1x Gravity AHT20 Temperature and Humidity Sensor 
• 1x Gravity 4p Sensor Cable